2690493349 has 16 divisors (see below), whose sum is σ = 2786144256. Its totient is φ = 2596406400.

The previous prime is 2690493343. The next prime is 2690493361. The reversal of 2690493349 is 9433940962.

2690493349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2690493349 is a prime.

It is a super-2 number, since 2×2690493349² = 14477508922026471602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2690493343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2535279 + ... + 2536339.

It is an arithmetic number, because the mean of its divisors is an integer number (174134016).

Almost surely, 2^2690493349 is an apocalyptic number.

It is an amenable number.

2690493349 is a deficient number, since it is larger than the sum of its proper divisors (95650907).

2690493349 is a wasteful number, since it uses less digits than its factorization.

2690493349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716.

The product of its (nonzero) digits is 1259712, while the sum is 49.

The square root of 2690493349 is about 51869.9657701834. The cubic root of 2690493349 is about 1390.8404332106.

The spelling of 2690493349 in words is "two billion, six hundred ninety million, four hundred ninety-three thousand, three hundred forty-nine".